.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden; /* 确保背景不会滚动 */
  }
  
  .login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
  }
  
  .login-form {
    background-color: #fff;
    padding: 40px; /* 放大表单 */
    border-radius: 10px; /* 放大表单的圆角 */
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1); /* 增加阴影 */
    width: 400px; /* 放大表单 */
    text-align: center;
    position: relative;
  }
  
  .logo {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 50px;
    height: 50px;
  }
  
  
  
  .form-group {
    margin-bottom: 20px; /* 调整表单项之间的间距 */
  }
  
  .form-group input {
    width: calc(100% - 20px);
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  .button-group {
    display: flex;
    justify-content: space-between;
    margin-top: 20px; 
  }
  
  .button-group button {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin: 0 5px;
    font-size: 18px; /* 放大按钮字体 */
    color: #fff; /* 添加文字颜色 */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15); /* 添加阴影 */
    transition: transform 0.1s, box-shadow 0.1s; /* 添加过渡效果 */
  }
  
  .button-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); /* 添加阴影 */
  }
  
  .button-group button:first-child {
    background-color: #007bff;
  }
  
  .button-group button:last-child {
    background-color: green;
  }
  
  .forgot-password-link {
    position: absolute;
    bottom: 10px;
    right: 10px;
    color: #007bff;
    text-decoration: none;
  }
  
  .forgot-password-link:hover {
    text-decoration: underline;
  }